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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct Ref
  5.   {
  6.    int &r;
  7.    Ref(int &r):r(r) {}
  8.    void change(int &r) { *((int**)this)=&r; }
  9.    void show() { cout<<&r<<'\t'<<r<<endl; }
  10.   };
  11.  
  12. int main()
  13.   {
  14.    int a=0;
  15.    Ref r(a);
  16.    r.show();
  17.    int x=123456789; r.change(x); r.show();
  18.    int y=987654321; r.change(y); r.show();
  19.    return 0;
  20.   }
Success #stdin #stdout 0s 2728KB
comments (?)
stdin
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Standard input is empty
stdout
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0xbff0a098	0
0xbff0a090	123456789
0xbff0a08c	987654321
https://ideone.com/axIZgc
language:
C++ 4.3.2 (gcc-4.3.2)
created:
10 years ago
visibility:
public

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